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Table 2 Analysis of variables’ association with hearing loss

From: Prenatal ultrasound exposure and association with postnatal hearing outcomes

Variable Significance
US exams in 1st trimester .173
US exams in 2nd trimester .365
US exams in 3rd trimester .001
Gestational age at birth .000
McNeil-Sjostrom score .821
Perinatal hypoxia .716
Tobacco .631
Cannabinoids .256
Alcohol .999
Crack .878
Barbiturates .889
ASA classification .951
Ototoxic meds prenatally .999
Ototoxic meds postnatally .993
Maternal age at birth .069
Apgar score at 1 minute .195
Apgar score at 5 minutes .748